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Diffstat (limited to 'arm_compute/core/NEON/NEMath.h')
| -rw-r--r-- | arm_compute/core/NEON/NEMath.h | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/arm_compute/core/NEON/NEMath.h b/arm_compute/core/NEON/NEMath.h deleted file mode 100644 index 8827bbf459..0000000000 --- a/arm_compute/core/NEON/NEMath.h +++ /dev/null @@ -1,307 +0,0 @@ -/* - * Copyright (c) 2016-2020 ARM Limited. - * - * SPDX-License-Identifier: MIT - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#ifndef ARM_COMPUTE_NEMATH_H -#define ARM_COMPUTE_NEMATH_H - -#include <arm_neon.h> -#include <array> - -namespace arm_compute -{ -/** Calculate floor of a vector. - * - * @param[in] val Input vector value in F32 format. - * - * @return The calculated floor vector. - */ -float32x4_t vfloorq_f32(float32x4_t val); - -/** Calculate round value of a vector to nearest with ties to even. - * - * @param[in] val Input vector value in F32 format. - * - * @return The calculated round vector. - */ -float32x4_t vroundq_rte_f32(float32x4_t val); - -/** Calculate inverse square root. - * - * @param[in] x Input value. - * - * @return The calculated inverse square root. - */ -float32x2_t vinvsqrt_f32(float32x2_t x); - -/** Calculate inverse square root. - * - * @param[in] x Input value. - * - * @return The calculated inverse square root. - */ -float32x4_t vinvsqrtq_f32(float32x4_t x); - -/** Calculate reciprocal. - * - * @param[in] x Input value. - * - * @return The calculated reciprocal. - */ -float32x2_t vinv_f32(float32x2_t x); - -/** Calculate reciprocal. - * - * @param[in] x Input value. - * - * @return The calculated reciprocal. - */ -float32x4_t vinvq_f32(float32x4_t x); - -/** Perform a 7th degree polynomial approximation using Estrin's method. - * - * @param[in] x Input vector value in F32 format. - * @param[in] coeffs Polynomial coefficients table. - * - * @return The calculated approximation. - */ -float32x4_t vtaylor_polyq_f32(float32x4_t x, const std::array<float32x4_t, 8> &coeffs); - -/** Calculate exponential - * - * @param[in] x Input vector value in F32 format. - * - * @return The calculated exponent. - */ -float32x4_t vexpq_f32(float32x4_t x); - -/** Calculate logarithm - * - * @param[in] x Input vector value in F32 format. - * - * @return The calculated logarithm. - */ -float32x4_t vlogq_f32(float32x4_t x); - -/** Calculate hyperbolic tangent. - * - * tanh(x) = (e^2x - 1)/(e^2x + 1) - * - * @note We clamp x to [-5,5] to avoid overflowing issues. - * - * @param[in] val Input vector value in F32 format. - * - * @return The calculated Hyperbolic Tangent. - */ -float32x4_t vtanhq_f32(float32x4_t val); - -/** Calculate n power of a number. - * - * pow(x,n) = e^(n*log(x)) - * - * @param[in] val Input vector value in F32 format. - * @param[in] n Powers to raise the input to. - * - * @return The calculated power. - */ -float32x4_t vpowq_f32(float32x4_t val, float32x4_t n); - -/** Round to the nearest division by a power-of-two using exponent - * - * @note This function calculates the following expression: (x + 2^n -1 ) / 2^n where n = exponent - * - * @param[in] x Vector of 4 elements - * @param[in] exponent Vector of 4 elements with integer value used to round to nearest division by a power-of-two - * - * @return the nearest division by a power-of-two using exponent - */ -int32x4_t rounding_divide_by_pow2(int32x4_t x, int32x4_t exponent); - -/** Round to the nearest division by a power-of-two using exponent - * - * @note This function calculates the following expression: (x + 2^n -1 ) / 2^n where n = exponent - * - * @param[in] x Vector of 4 elements - * @param[in] exponent Integer value used to round to nearest division by a power-of-two - * - * @return the nearest division by a power-of-two using exponent - */ -int32x4_t rounding_divide_by_pow2(int32x4_t x, int exponent); - -/** Round to the nearest division by a power-of-two using exponent - * - * @note This function calculates the following expression: (x + 2^n -1 ) / 2^n where n = exponent - * - * @param[in] x Element to divide. - * @param[in] exponent Integer value used to round to nearest division by a power-of-two - * - * @return the nearest division by a power-of-two using exponent - */ -int32_t rounding_divide_by_pow2(int32_t x, int exponent); - -/** Converts from uint8x16 to float32x4x4_t - * - * @param[in] in Vector of uint8 to be converted - * - * @return Converted vector of float - */ -float32x4x4_t convert_uint8x16_to_float32x4x4(const uint8x16_t &in); - -/** Converts from int8x16 to float32x4x4_t - * - * @param[in] in Vector of int8 to be converted - * - * @return Converted vector of float - */ -float32x4x4_t convert_int8x16_to_float32x4x4(const int8x16_t &in); - -/** Converts to float32x4x4_t from the specified templated 16 elements vectors - * - * @param[in] in Vector of float to be converted - * - * @return Converted vector of float - */ -template <typename T> -float32x4x4_t convert_to_float32x4x4(const T &in); - -/** Converts from two float32x4x3_t to just one uint8x8x3_t - * - * @param[in] in1 First input vector of float to be converted - * @param[in] in2 Second input vector of float to be converted - * @param[out] out Converted output vector uint8 to store the result - */ -void convert_float32x4x3_to_uint8x8x3(const float32x4x3_t &in1, const float32x4x3_t &in2, uint8x8x3_t &out); - -/** Converts from two float32x4x4_t to just one uint8x16_t - * - * @param[in] in Vector of float to be converted - * @param[out] out Converted vector of uint8 to store the result - */ -void convert_float32x4x4_to_uint8x16(const float32x4x4_t &in, uint8x16_t &out); - -/** Converts from float32x4x4_t to just one int8x16_t - * - * @param[in] in Vector of float to be converted - * @param[out] out Converted vector of uint8 to store the result - */ -void convert_float32x4x4_to_int8x16(const float32x4x4_t &in, int8x16_t &out); - -/** Calculate sine. - * - * @param[in] val Input vector value in radians, F32 format. - * - * @return The calculated sine. - */ -float32x4_t vsinq_f32(float32x4_t val); - -/** Calculate sine. - * - * @param[in] val Input vector value in radians, F32 format. - * - * @return The calculated sine. - */ -float32x2_t vsin_f32(float32x2_t val); - -#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC -/** Calculate hyperbolic tangent. - * - * tanh(x) = (e^2x - 1)/(e^2x + 1) - * - * @note We clamp x to [-5,5] to avoid overflowing issues. - * - * @param[in] val Input vector value in F16 format. - * - * @return The calculated Hyperbolic Tangent. - */ -float16x8_t vtanhq_f16(float16x8_t val); - -/** Calculate round value of a vector to nearest with ties to even. - * - * @param[in] val Input vector value in F16 format. - * - * @return The calculated round vector. - */ -float16x8_t vroundq_rte_f16(float16x8_t val); - -/** Calculate reciprocal. - * - * @param[in] x Input value. - * - * @return The calculated reciprocal. - */ -float16x4_t vinv_f16(float16x4_t x); - -/** Calculate reciprocal. - * - * @param[in] x Input value. - * - * @return The calculated reciprocal. - */ -float16x8_t vinvq_f16(float16x8_t x); - -/** Calculate inverse square root. - * - * @param[in] x Input value. - * - * @return The calculated inverse square root. - */ -float16x4_t vinvsqrt_f16(float16x4_t x); - -/** Calculate inverse square root. - * - * @param[in] x Input value. - * - * @return The calculated inverse square root. - */ -float16x8_t vinvsqrtq_f16(float16x8_t x); - -/** Calculate exponential - * - * @param[in] x Input vector value in F16 format. - * - * @return The calculated exponent. - */ -float16x8_t vexpq_f16(float16x8_t x); - -/** Calculate n power of a number. - * - * pow(x,n) = e^(n*log(x)) - * - * @param[in] val Input vector value in F16 format. - * @param[in] n Powers to raise the input to. - * - * @return The calculated power. - */ -float16x8_t vpowq_f16(float16x8_t val, float16x8_t n); - -/** Calculate sine. - * - * @param[in] val Input vector value in radians, F16 format. - * - * @return The calculated sine. - */ -float16x8_t vsinq_f16(float16x8_t val); - -#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ -} // namespace arm_compute -#include "arm_compute/core/NEON/NEMath.inl" -#endif /* ARM_COMPUTE_NEMATH_H */ |